Ratching
作棘齿, 刻锯齿
🗣️ 情景例句
All my bags are checked in. I guess I'm all set to go.
我的行李都检查完了，看来我可以走了。
You'd better wear a light jacket.It's chilly today.
你今天最好穿一件浅色的夹克衫。 今天很冷。
Yes, you need to get some underwater plants.
是的，你还需要弄一些水下植物。